|Check Point Reference:||CPAI-2018-0021|
|Date Published:||9 Jan 2018|
|Last Updated:||11 Jan 2018|
|Protection Provided by:||
|Who is Vulnerable?|| Digium Certified Asterisk prior to 13.13-cert8 |
Digium Certified Asterisk prior to 13.18.3
Digium Certified Asterisk prior to 14.7.3
Digium Certified Asterisk prior to 15.1.3
|Vulnerability Description||A denial of service vulnerability exists in Digium Asterisk. The vulnerability is due to a processing flaw in the chan_skinny SCCP packet processing module. A remote unauthenticated attacker can exploit this vulnerability by sending a flood of certain requests to asterisk and exhaust available virtual memory.|
This protection detects attempts to exploit this vulnerability.
In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.
This protection's log will contain the following information:
Attack Name: VoIP Enforcement Violation.
Attack Information: Digium Asterisk chan_skinny SCCP session Denial of Service